package com.lq.schoolshop.dao;

import com.lq.schoolshop.pojo.Expand.ShopAndGoodsVO;

import java.util.List;

/**
 * @Author
 * @Date2021/1/26 22:19
 * @Version V1.0
 *  下单dao类
 **/
public interface SendOrderMapper {
    //1.根据购物车ID 查询商品信息 以及购物车数量
    List<ShopAndGoodsVO>selByShopId(int [] integers);

    //2.根据购物车ID 查询总价  = 购物车数量*商品单价
    double selSumByShopID(int []integers);

    //     double money = sendOrderService.selSumByShopID(intnum);    //根据购物车ID 查询总价

}
